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UPD43256BGU-B12-A PDF预览

UPD43256BGU-B12-A

更新时间: 2024-11-06 03:24:39
品牌 Logo 应用领域
日电电子 - NEC 存储内存集成电路静态存储器光电二极管ISM频段
页数 文件大小 规格书
28页 225K
描述
256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT

UPD43256BGU-B12-A 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:0.450 INCH, LEAD FREE, PLASTIC, SOP-28Reach Compliance Code:compliant
风险等级:5.63Is Samacsys:N
最长访问时间:120 nsJESD-30 代码:R-PDSO-G28
JESD-609代码:e3/e6长度:18 mm
内存密度:262144 bit内存集成电路类型:STANDARD SRAM
内存宽度:8功能数量:1
端口数量:1端子数量:28
字数:32768 words字数代码:32000
工作模式:ASYNCHRONOUS最高工作温度:70 °C
最低工作温度:组织:32KX8
输出特性:3-STATE可输出:YES
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:3 mm
最小待机电流:2 V最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.2 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:MATTE TIN/TIN BISMUTH
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.4 mmBase Number Matches:1

UPD43256BGU-B12-A 数据手册

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DATA SHEET  
MOS INTEGRATED CIRCUIT  
μPD43256B  
256K-BIT CMOS STATIC RAM  
32K-WORD BY 8-BIT  
Description  
The μPD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.  
Battery backup is available. And A and B versions are wide voltage operations.  
The μPD43256B is packed in 28-pin PLASTIC DIP, 28-pin PLASTIC SOP and 28-pin PLASTIC TSOP (I) (8 x 13.4 mm).  
Features  
32,768 words by 8 bits organization  
Fast access time: 70, 85, 100, 120, 150 ns (MAX.)  
Low voltage operation (A version: VCC = 3.0 to 5.5 V, B version: VCC = 2.7 to 5.5 V)  
Low VCC data retention: 2.0 V (MIN.)  
/OE input for easy application  
Part number  
Access time  
ns (MAX.)  
Operating supply Operating ambient  
Supply current  
voltage  
V
temperature  
°C  
At operating  
mA (MAX.)  
At standby At data retention  
μA (MAX.)  
μA (MAX.) Note1  
μPD43256B-xxL  
μPD43256B-xxLL  
μPD43256B-Axx  
μPD43256B-BxxNote2  
70, 85  
4.5 to 5.5  
0 to 70  
45  
50  
15  
3
2
85, 100Note2, 120Note2  
100, 120, 150  
3.0 to 5.5  
2.7 to 5.5  
Notes 1. TA 40 °C, VCC = 3.0 V  
2. Access time: 85 ns (MAX.) (VCC = 4.5 to 5.5 V)  
The information in this document is subject to change without notice. Before using this document, please  
confirm that this is the latest version.  
Not all products and/or types are available in every country. Please check with an NEC Electronics  
sales representative for availability and additional information.  
Document No. M10770EJEV0DS00 (14th edition)  
Date Published June 2006 NS CP (K)  
Printed in Japan  
1990, 1993, 1994  

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